ansible模块精细化剖析，你值得拥有

模块讲解

1，cron模块

两种状态(state):present表示添加(可以省略)，absent表示移除。

ansible-doc -s cron        #查看cron模块信息
ansible mysql -m cron -a 'minute="*/1" job="/bin/echo hello"  name="ni"'
ansible mysql -a 'crontab -l'
ansible mysql -m cron -a 'name="ni" state=absent'  #移除计划任务，假如该计划任务没有取名字，

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在mysql上面查看邮件。

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2，user模块

user模块是请求的是useradd, userdel, usermod三个指令

ansible-doc -s user
ansible mysql -m user -a 'name="su"'        #创建用户su
ansible mysql -m command -a 'tail /etc/passwd'
ansible mysql -m user -a 'name="su" state=absent'  #删除用户su

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3，group模块

group模块请求的是groupadd, groupdel, groupmod三个指令

ansible-doc -ssh-add group
ansible mysql -m group -a 'name=mysql gid=306 system=yes'
ansible mysql -a 'tail /etc/group'
ansible mysql -m user -a 'name=nan uid=306 system=yes group=mysql'
ansible mysql -a 'tail /etc/passwd'

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4，copy模块

ansible-doc -s copy
ansible mysql -m copy -a 'src=/etc/fstab dest=/opt/fstab.back owner=root mode=640'
ansible mysql -a 'ls -l /opt'
ansible mysql -a 'cat /opt/fstab.back'

ansible mysql -m copy -a 'content="hello world!" dest=/opt/fstab.back' //将hello world!写入/opt/fstab.back
ansible mysql -a 'cat /opt/fstab.back'

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5，file模块

ansible-doc -s file
ansible mysql -m user -a 'name=mysql system=yes'
ansible mysql -m group -a 'name=mysql system=yes'
ansible mysql -m file -a 'path=/opt/fstab.link src=opt/fstab.back state=link'  #设置/opt/fstab.link为/opt/fstab.back
ansible mysql -m file -a "path=/opt/fstab.back state=absent"      #删除-个文件
ansible mysql -m file -a "path=/opt/test state=touch"                #创建一个文件

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6，ping模块

ansible all -m ping

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7，yum模块

ansible -doc -s yum
ansible mysql -m yum -a 'name=httpd'            #yum安装httpd
ansible mysql -m yum -a 'name=httpd state=absent'  #卸载httpd

rpm -q httpd

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8，service模块

ansible-doc -s service
yum install -y httpd
ansible mysql -m service -a 'enabled=true name=httpd state=started'      #启动httpd服务
ansible mysql -a 'systemctl status httpd'        #查看web服务器httpd运行状态
ansible all -m service -a 'name=firewalld state=stopped'        #关闭防火墙

systemctl status httpd           #查看是否开启

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9，shel模块

ansible-doc -s shell
ansible mysql -m shell -a 'echo 123123|passwd --stdin mysql'    #创建用户使用无交互模式给用户设置密码

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10，script模块

ansible-doc -s script
vi test.sh         #在ansible管理端创建脚本
#!/bin/bash

echo "hello ansible from script" > /opt/script.txt
chmod +x test.sh
ansible mysql -m script -a 'test.sh'

cat /opt/script.txt

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